cui hongfang , 73 , died in front of horrified family members and holidaymakers after she was knocked over by the 38-year-old canadian woman .
this photo of cui hongfang , 73 , was taken shortly before she died at the great wall of china .
mrs hongfang 's husband said she fell down the stairs after she struck her head and lost consciousness .
mrs hongfang fell down the steps and died shortly after she struck her head and lost consciousness .